Volunteers with NBA Cares and Rebuilding Together Houston plant trees at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

Volunteers with NBA Cares and Rebuilding Together Houston plant trees at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

Former Houston Rocket Calvin Murphy, left, helps Marcus Chenier, 9, right, plant a tree at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

Former Houston Rocket Calvin Murphy plants a tree at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

Former Houston Rocket Calvin Murphy plants a tree at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place ... more

Marcus Chenier, 9, drops a shovel of dirt as he and other volunteers with NBA Cares and Rebuilding Together Houston plant trees at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

Marcus Chenier, 9, drops a shovel of dirt as he and other volunteers with NBA Cares and Rebuilding Together Houston plant trees at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding ... more

Photo: Cody Duty, Houston Chronicle

Marcus Chenier, 9, drops a shovel of dirt as he and other... Photo-4064437.55488 - Houston Chronicle

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Volunteers with NBA Cares and Rebuilding Together Houston prepare mulch for a flowerbed at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

Former Houston Rocket Calvin Murphy addresses the crowd before helping plant trees at M. E. Foster Elementary School, Monday, Jan. 21, 2013, in Houston. Rebuilding Together Houston and NBA Cares partnered to help revitalize the Foster Place community as part of the 2013 Martin Luther King, Jr. Day of Service. The event included community cleanup, landscaping, and tree planting at Foster Place Elementary School and throughout the neighborhood. less

A child wearing a President Barak Obama mask during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

A child wearing a President Barak Obama mask during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

Photo: Karen Warren, Houston Chronicle

A child wearing a President Barak Obama mask during the 19th Annual... Photo-4065504.55488 - Houston Chronicle

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Alexis Pryor, 10, with Team MBO (Michelle and Barack Obama) wears her "peace" glasses after performing with the Chameleon Band during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013. less

Alexis Pryor, 10, with Team MBO (Michelle and Barack Obama) wears her "peace" glasses after performing with the Chameleon Band during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which ... more

Drummers in a high school band march by during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

Drummers in a high school band march by during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

Photo: Karen Warren, Houston Chronicle

Drummers in a high school band march by during the 19th Annual MLK... Photo-4065508.55488 - Houston Chronicle

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Ariya Keezie, 2, with Noel Walker, 6, and Jalaysia Keezie, 5, wave at the participants marching by during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013. less

Ariya Keezie, 2, with Noel Walker, 6, and Jalaysia Keezie, 5, wave at the participants marching by during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie ... more

Joshua Richardson, 5, dances along with a marching band during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

Joshua Richardson, 5, dances along with a marching band during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

Photo: Karen Warren, Houston Chronicle

Joshua Richardson, 5, dances along with a marching band during the... Photo-4065512.55488 - Houston Chronicle

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Marilyn Smith holds up a painting done by her godson of Rev. Martin Luther King during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013. less

Marilyn Smith holds up a painting done by her godson of Rev. Martin Luther King during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in ... more

Houston Astros manager Bo Porter waves to the crowd from a convertible during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013. less

Houston Astros manager Bo Porter waves to the crowd from a convertible during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, ... more

Houston Astros Wesley Wright waves to the crowd from a convertible during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013. less

Houston Astros Wesley Wright waves to the crowd from a convertible during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, ... more

A drummer marches down the street with his band during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

A drummer marches down the street with his band during the 19th Annual MLK Grande Parade by the MLK Parade Foundation, which started on San Jacinto and Rosalie Streets in Midtown, Monday, Jan. 21, 2013.

Photo: Karen Warren, Houston Chronicle

A drummer marches down the street with his band during the 19th... Photo-4065517.55488 - Houston Chronicle

Julia Bevil, 9, skates The ICE at Discovery Green after attending the Matin Luther King Day parade in downtown on Monday, Jan. 21, 2013, in Houston. The ICE at Discovery Green is open daily until Jan. 27th, during its final week. less

Julia Bevil, 9, skates The ICE at Discovery Green after attending the Matin Luther King Day parade in downtown on Monday, Jan. 21, 2013, in Houston. The ICE at Discovery Green is open daily until Jan. 27th, ... more